Hard hat



FIG. 1 is a front perspective view from above of an embodiment of the claimed design;

FIG. 2 is a rear perspective view from above of the claimed design of FIG. 1 ;

FIG. 3 is a front perspective view from below of the claimed design of FIG. 1 ;

FIG. 4 is a rear perspective view from below of the claimed design of FIG. 1 ;

FIG. 5 is a front view of the claimed design of FIG. 1 ;

FIG. 6 is a rear view of the claimed design of FIG. 1 ;

FIG. 7 is a left side view of the claimed design of FIG. 1 ;

FIG. 8 is a right side view of the claimed design of FIG. 1 ;

FIG. 9 is a top view of the claimed design of FIG. 1 ;

FIG. 10 is a bottom view of the claimed design of FIG. 1 ;

FIG. 11 is a front perspective view from above of another embodiment of the claimed design;

FIG. 12 is a rear perspective view from above of the claimed design of FIG. 11 ;

FIG. 13 is a front perspective view from below of the claimed design of FIG. 11 ;

FIG. 14 is a rear perspective view from below of the claimed design of FIG. 11 ;

FIG. 15 is a front view of the claimed design of FIG. 11 ;

FIG. 16 is a rear view of the claimed design of FIG. 11 ;

FIG. 17 is a left side view of the claimed design of FIG. 11 ;

FIG. 18 is a right side view of the claimed design of FIG. 11 ;

FIG. 19 is a top view of the claimed design of FIG. 11 ; and,

FIG. 20 is a bottom view of the claimed design of FIG. 11 .

The broken lines in the figures illustrate portions of the hard hat that form no part of the claimed design. 

CLAIM The ornamental design for hard hat, as shown and described. 